Loktar_Sun was able to unlock any jailbroken iPhone on any baseband using Sam Bingner’s SAM (Subscriber Artificial Module) package. Apple has fixed the SAM activation method to unlock iPhones. However, if you were proactive enough to unlock your iPhone using SAM and have backup your SAM activation ticket, you can unlock your iPhone on any future iOS update without any issue.

If you’re one of those lucky iPhone users who have unlocked and backup their SAM unlock Activation tickets, you can easily restore those SAM tickets and unlock iPhone if you’ve to restore or update your iPhone for whatever reason.

If you’ve unlocked your iPhone on any unofficial SIM using SAM unlock, backup your SAM activation ticket now, if you have not already done so.

IMPORTANT

In order to unlock your iPhone using this method you must have your backed up Lockdown folder after unlocking with SAM.

Your iPhone MUST be jailbroken in order to unlock iPhone using backed up SAM activation ticket. iOS 5.1.1 Jailbreak guides are linked at the bottom.

After jailbreak, your iPhone MUST be activated either using official carrier SIM card or using SAM.

If you meet the above mentioned criteria, follow the steps below on how to use SAM unlock activation ticket to unlock your iPhone on any iOS…

How To Use SAM Unlock Activation Ticket

We assume that you have your backed up Lockdown folder available on hand. If it’s a .zip file, extract it to get the Lockdown folder. Insert your unofficial SIM that you had unlocked using SAM activation.

Step 1

First thing you need is a file system explorer program. iExplorer is a free iPhone/iPad/iPod Touch filde explorer program. Download and install iExplorer:

hey once u ve jail broken ur ipohne download iexplorer and connect ur iphone and open iexplorer and go to root>application>then delete setup.app then u can unlock ur home screen and use ur iphone to clickphoto and minor bt there will be no service 4 service u might have to follow the above mentioned steps

my SAM information activationState show me that it’s unactivated ! how could i activate ? i did delete lockdown folder and and paste from unlock iphone. but that unlock ph didn’t use SAM. any ways and advise ?

I ALSO have an iPhone 4s Sprint model that I’m trying to unlock. I at one point got it to show bars, but it was with a carrier not associated with the sim and (as one might expect) couldn’t place or receive any calls. Any help is appreciated.